21650564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1193}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 40954200

約数和(自身を除く): 19303636

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1193, 1396, 2386, 4537, 4772, 9074, 15509, 18148, 31018, 62036, 416357, 832714, 1665428, 5412641, 10825282, 21650564]

約数ペア:

[(1, 21650564), (2, 10825282), (4, 5412641), (13, 1665428), (26, 832714), (52, 416357), (349, 62036), (698, 31018), (1193, 18148), (1396, 15509), (2386, 9074), (4537, 4772)]